[INFO] fetching crate knuffel 3.2.0...
[INFO] testing knuffel-3.2.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate knuffel 3.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate knuffel 3.2.0
[INFO] finished tweaking crates.io crate knuffel 3.2.0
[INFO] tweaked toml for crates.io crate knuffel 3.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate knuffel 3.2.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate knuffel 3.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded owo-colors v3.5.0
[INFO] [stderr]   Downloaded minicbor v0.19.1
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.4
[INFO] [stderr]   Downloaded io-lifetimes v1.0.6
[INFO] [stderr]   Downloaded serde v1.0.156
[INFO] [stderr]   Downloaded miette-derive v5.6.0
[INFO] [stderr]   Downloaded supports-hyperlinks v2.0.0
[INFO] [stderr]   Downloaded is_ci v1.1.1
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded rustc-demangle v0.1.21
[INFO] [stderr]   Downloaded supports-color v2.0.0
[INFO] [stderr]   Downloaded knuffel-derive v3.2.0
[INFO] [stderr]   Downloaded addr2line v0.19.0
[INFO] [stderr]   Downloaded chumsky v0.9.2
[INFO] [stderr]   Downloaded object v0.30.3
[INFO] [stderr]   Downloaded hermit-abi v0.3.1
[INFO] [stderr]   Downloaded rustix v0.36.9
[INFO] [stderr]   Downloaded thiserror-impl v1.0.39
[INFO] [stderr]   Downloaded smawk v0.3.1
[INFO] [stderr]   Downloaded minicbor-derive v0.13.0
[INFO] [stderr]   Downloaded miette v5.6.0
[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] [stderr]   Downloaded supports-unicode v2.0.0
[INFO] [stderr]   Downloaded gimli v0.27.2
[INFO] [stderr]   Downloaded is-terminal v0.4.4
[INFO] [stderr]   Downloaded thiserror v1.0.39
[INFO] [stderr]   Downloaded textwrap v0.15.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8b581a9175d0fd81ce4151650649cdaf0afef1d86344e4e36a70daa164d3d90
[INFO] running `Command { std: "docker" "start" "-a" "a8b581a9175d0fd81ce4151650649cdaf0afef1d86344e4e36a70daa164d3d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8b581a9175d0fd81ce4151650649cdaf0afef1d86344e4e36a70daa164d3d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8b581a9175d0fd81ce4151650649cdaf0afef1d86344e4e36a70daa164d3d90", kill_on_drop: false }`
[INFO] [stdout] a8b581a9175d0fd81ce4151650649cdaf0afef1d86344e4e36a70daa164d3d90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fc92ab320001d6a84d8f40f5458aa2c1c6b0308951c93c24005a72df6dd88e6
[INFO] running `Command { std: "docker" "start" "-a" "2fc92ab320001d6a84d8f40f5458aa2c1c6b0308951c93c24005a72df6dd88e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling base64 v0.21.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling chumsky v0.9.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.39
[INFO] [stderr]    Compiling miette-derive v5.6.0
[INFO] [stderr]    Compiling knuffel-derive v3.2.0
[INFO] [stderr]    Compiling miette v5.6.0
[INFO] [stderr]    Compiling knuffel v3.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.59s
[INFO] running `Command { std: "docker" "inspect" "2fc92ab320001d6a84d8f40f5458aa2c1c6b0308951c93c24005a72df6dd88e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc92ab320001d6a84d8f40f5458aa2c1c6b0308951c93c24005a72df6dd88e6", kill_on_drop: false }`
[INFO] [stdout] 2fc92ab320001d6a84d8f40f5458aa2c1c6b0308951c93c24005a72df6dd88e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 617c18d715b180e1fdb13a57a3bba94f909fa7b0b4e9bc8621f4fe2c88173a9d
[INFO] running `Command { std: "docker" "start" "-a" "617c18d715b180e1fdb13a57a3bba94f909fa7b0b4e9bc8621f4fe2c88173a9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling serde v1.0.156
[INFO] [stderr]    Compiling gimli v0.27.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling is_ci v1.1.1
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling object v0.30.3
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling is-terminal v0.4.4
[INFO] [stderr]    Compiling supports-color v2.0.0
[INFO] [stderr]    Compiling supports-hyperlinks v2.0.0
[INFO] [stderr]    Compiling supports-unicode v2.0.0
[INFO] [stderr]    Compiling chumsky v0.9.2
[INFO] [stderr]    Compiling addr2line v0.19.0
[INFO] [stderr]    Compiling unicode-linebreak v0.1.4
[INFO] [stderr]    Compiling assert-json-diff v2.0.2
[INFO] [stderr]    Compiling textwrap v0.15.2
[INFO] [stderr]    Compiling miette v5.6.0
[INFO] [stderr]    Compiling knuffel v3.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `knuffel` (example "simple")
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.91.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name simple --edition=2021 examples/simple.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="base64"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="knuffel-derive"' --cfg 'feature="line-numbers"' --cfg 'feature="unicode-width"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("base64", "default", "derive", "knuffel-derive", "line-numbers", "minicbor", "unicode-width"))' -C metadata=c86ca90caead12fd -C extra-filename=-fef3332bdf83d3d9 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern assert_json_diff=/opt/rustwide/target/debug/deps/libassert_json_diff-ffc34f38b6048af7.rlib --extern base64=/opt/rustwide/target/debug/deps/libbase64-cd523cd29dd18b2c.rlib --extern chumsky=/opt/rustwide/target/debug/deps/libchumsky-b802b548655372af.rlib --extern knuffel=/opt/rustwide/target/debug/deps/libknuffel-bf733e8613dc53c5.rlib --extern knuffel_derive=/opt/rustwide/target/debug/deps/libknuffel_derive-a63354ee75f17348.so --extern miette=/opt/rustwide/target/debug/deps/libmiette-c762c9fdc10b9674.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-7414216dcb4fb359.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-7a7343e410501596.rlib --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-aced7f71df5090c4.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "617c18d715b180e1fdb13a57a3bba94f909fa7b0b4e9bc8621f4fe2c88173a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617c18d715b180e1fdb13a57a3bba94f909fa7b0b4e9bc8621f4fe2c88173a9d", kill_on_drop: false }`
[INFO] [stdout] 617c18d715b180e1fdb13a57a3bba94f909fa7b0b4e9bc8621f4fe2c88173a9d